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CVE PROGRAM SOURCE RECORD5.9 Medium

CVE-2026-42387

Insufficient input validation in ZoneToCache

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Status
Published
Published
Updated
Assigning organization
OX

Description

A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to a crash of the Recursor due to insuffcient input validation.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

PowerDNS Recursor

Default version status: unaffected

  • 5.2.0 to < 5.2.11affected
  • 5.3.0 to < 5.3.8affected
  • 5.4.0 to < 5.4.3affected

References